The souvenir sheet commemorates scientific research in the Antarctic by Brazil. The map is of Admiralty Bay on King George's Island in the Shetland Islands. Brazil has a large base, Commandante Ferraz, in Admiralty Bay. This is shown on the map in the lower left of the sheet.

     Georg Bathasar von Neumayer (1826-1909) was the director of the North German Naval Observatory in Hamburg from 1876-1903, and was co-chair of the International Polar Commission in 1879. In 1895 he established the German Commission for South Polar Exploration. He led the first German Antarctic expedition  in search of the South magnetic pole in connection with the "Antarctic Year" in 1901.
     The stamp was issued in 1993 to commemorate the 125th anniversary of the North German Naval Observatory and its founder. The blue line marks his route to Melbourne, Australia where he directed the Flagstaff Observatory for Geophysics, Magnetism and Nautical Science from 1857 to 1864. The red line marks the route of the "Gauss" expedition to the Antarctic in 1901.